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Author SHA1 Message Date
Jeff Cohen
b3d61e6c05 Unbreak VC++ build. 
llvm-svn: 35817
 2007-04-09 14:32:59 +00:00
Anton Korobeynikov
6ee97ee42a Next stage into switch lowering refactoring 
1. Fix some bugs in the jump table lowering threshold
2. Implement much better metric for optimal pivot selection
3. Tune thresholds for different lowering methods
4. Implement shift-and trick for lowering small (<machine word
length) cases with few destinations. Good testcase will follow.

llvm-svn: 35816
 2007-04-09 12:31:58 +00:00
Chris Lattner
730f5588be Convert ImmediateDominators::DFSPass from being recursive to being iterative. 
llvm-svn: 35815
 2007-04-09 06:44:42 +00:00
Reid Spencer
2660b8dccb For PR1146: 
Adapt handling of parameter attributes to use the new ParamAttrsList class.

llvm-svn: 35814
 2007-04-09 06:17:21 +00:00
Reid Spencer
3ffd70d6e4 Regenerate 
llvm-svn: 35813
 2007-04-09 06:16:21 +00:00
Reid Spencer
b7cec347b9 For PR1146: 
Adapt handling of parameter attributes to use ParamAttrsList class.

llvm-svn: 35812
 2007-04-09 06:15:59 +00:00
Reid Spencer
b43eb600c2 For PR1146: 
Use ParamAttrsList for writing parameter attributes. Since they are sparse
now, we also write them sparsely (saves a few bytes). Unfortunately, this
is a bytecode file format change.

llvm-svn: 35811
 2007-04-09 06:14:31 +00:00
Reid Spencer
1f674acbdf For PR1146: 
Simplify construction of FunctionType to use default arguments.

llvm-svn: 35810
 2007-04-09 06:12:07 +00:00
Reid Spencer
a2b16b4ee5 For PR1146: 
Parameter attributes can now be defaulted for intrinsics.

llvm-svn: 35809
 2007-04-09 06:11:23 +00:00
Reid Spencer
3d414b473d For PR1146: 
Adjust writing of parameter attributes to use ParamAttrList class.

llvm-svn: 35808
 2007-04-09 06:10:42 +00:00
Chris Lattner
884f49c47e minor cleanups 
llvm-svn: 35807
 2007-04-09 06:10:06 +00:00
Reid Spencer
6bc0205a2a For PR1146: 
Move parameter attributes functionality to ParamAttrsList class.

llvm-svn: 35806
 2007-04-09 06:07:52 +00:00
Reid Spencer
a617889460 For PR1146: 
Remove the handling of ParameterAttributes from FunctionType as they are
their own object defined in ParameterAttributes.h now.

llvm-svn: 35805
 2007-04-09 06:06:57 +00:00
Chris Lattner
de148c7887 move a bunch of register constraints from being handled by 
getRegClassForInlineAsmConstraint to being handled by
getRegForInlineAsmConstraint.  This allows us to let the llvm register allocator
allocate, which gives us better code.  For example, X86/2007-01-29-InlineAsm-ir.ll
used to compile to:

_run_init_process:
        subl $4, %esp
        movl %ebx, (%esp)
        xorl %ebx, %ebx
        movl $11, %eax
        movl %ebx, %ecx
        movl %ebx, %edx
        # InlineAsm Start
        push %ebx ; movl %ebx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End

Now we get:
_run_init_process:
        xorl %ecx, %ecx
        movl $11, %eax
        movl %ecx, %edx
        # InlineAsm Start
        push %ebx ; movl %ecx,%ebx ; int $0x80 ; pop %ebx
        # InlineAsm End

llvm-svn: 35804
 2007-04-09 05:49:22 +00:00
Chris Lattner
b940a717ac implement support for CodeGen/X86/inline-asm-x-scalar.ll:test3 - i32/i64 values 
used with x constraints.

llvm-svn: 35803
 2007-04-09 05:31:48 +00:00
Chris Lattner
13a530ec7f implement CodeGen/X86/inline-asm-x-scalar.ll:test3 
llvm-svn: 35802
 2007-04-09 05:31:20 +00:00
Chris Lattner
d75e2127c8 add another test 
llvm-svn: 35801
 2007-04-09 05:26:48 +00:00
Chris Lattner
c360f69afe add some assertions 
llvm-svn: 35800
 2007-04-09 05:23:13 +00:00
Chris Lattner
e2d3bf8ecf implement CodeGen/X86/inline-asm-x-scalar.ll 
llvm-svn: 35799
 2007-04-09 05:11:28 +00:00
Chris Lattner
45ebb3ba95 The x constraint allows scalar FP values as well as vectors. 
llvm-svn: 35798
 2007-04-09 05:11:03 +00:00
Owen Anderson
e4c29f0b01 Move isReachableFromEntry out of line to avoid an unnecessary #include 
llvm-svn: 35797
 2007-04-09 04:07:36 +00:00
Chris Lattner
b3c4c64197 Fix a bug that caused alignment information to occasionally get stripped off 
of an allocation instruction when writing to bytecode.

llvm-svn: 35796
 2007-04-09 03:37:36 +00:00
Reid Spencer
4ede44609e Regenerate 
llvm-svn: 35795
 2007-04-09 01:56:05 +00:00
Reid Spencer
93d41cc941 Drop the implementation keyword. 
llvm-svn: 35794
 2007-04-09 01:55:42 +00:00
Reid Spencer
135f2f1261 Chris convinced me that the default size of the SmallVector (2) was too 
small.  Since it doesn't cost much to have 2 more (8 bytes), but not having
them would require a malloc as soon as the third one is needed. Setting
the default to 4 delays the malloc until the 5th parameter attribute.

llvm-svn: 35793
 2007-04-09 01:53:54 +00:00
Chris Lattner
218d43af10 Fix PR1304 and Transforms/InstCombine/2007-04-08-SingleEltVectorCrash.ll 
llvm-svn: 35792
 2007-04-09 01:37:55 +00:00
Chris Lattner
34065e8986 new testcase for PR1304 
llvm-svn: 35791
 2007-04-09 01:37:35 +00:00
Reid Spencer
4ea619ae00 Remove redundancy. 
llvm-svn: 35790
 2007-04-09 01:26:02 +00:00
Chris Lattner
958d804293 Fix a bug introduced with my previous patch, where it didn't correctly handle 
instructions which replace themselves when FI's are rewritten (common on ppc).
This fixes CodeGen/PowerPC/2006-10-17-ppc64-alloca.ll

llvm-svn: 35789
 2007-04-09 01:19:33 +00:00
Chris Lattner
b3d105a4f9 Eliminate useless insertelement instructions. This implements 
Transforms/InstCombine/vec_insertelt.ll and fixes PR1286.

We now compile the code from that bug into:

_foo:
        movl 4(%esp), %eax
        movdqa (%eax), %xmm0
        movl 8(%esp), %ecx
        psllw (%ecx), %xmm0
        movdqa %xmm0, (%eax)
        ret

instead of:

_foo:
        subl $4, %esp
        movl %ebp, (%esp)
        movl %esp, %ebp
        movl 12(%ebp), %eax
        movdqa (%eax), %xmm0
        #IMPLICIT_DEF %eax
        pinsrw $2, %eax, %xmm0
        xorl %ecx, %ecx
        pinsrw $3, %ecx, %xmm0
        pinsrw $4, %eax, %xmm0
        pinsrw $5, %ecx, %xmm0
        pinsrw $6, %eax, %xmm0
        pinsrw $7, %ecx, %xmm0
        movl 8(%ebp), %eax
        movdqa (%eax), %xmm1
        psllw %xmm0, %xmm1
        movdqa %xmm1, (%eax)
        movl %ebp, %esp
        popl %ebp
        ret

woo :)

llvm-svn: 35788
 2007-04-09 01:11:16 +00:00
Chris Lattner
4fd4438601 new testcase for PR1286 
llvm-svn: 35787
 2007-04-09 01:10:13 +00:00
Owen Anderson
f9a432a613 Cleanup some from my DomSet-removal changes. Add a new 
isReachableFromEntry
test to ETForest to factor a common test out of code.

llvm-svn: 35786
 2007-04-09 00:52:49 +00:00
Chris Lattner
1a746d3b8e Fix CodeGen/Generic/2007-04-08-MultipleFrameIndices.ll and PR1308: 
some instructions can have multiple frame indices in them.  If this happens,
rewrite all of them.

llvm-svn: 35785
 2007-04-09 00:46:10 +00:00
Chris Lattner
5a5aeaf596 new testcase for PR1308 
llvm-svn: 35784
 2007-04-09 00:45:42 +00:00
Chris Lattner
5f8b0c2acc Fix PR1316 
llvm-svn: 35783
 2007-04-09 00:33:58 +00:00
Reid Spencer
aedaf87e5e No functional change, this is just easier to read and debug. 
llvm-svn: 35782
 2007-04-08 23:58:41 +00:00
Reid Spencer
52e3bd1df0 Fix a typo. 
llvm-svn: 35781
 2007-04-08 22:50:29 +00:00
Reid Spencer
bcb7b5ca5d Implement more feedback: 
* Allow attributes to be added and removed singly or jointly so that in
  the future something like -pruneh can manipulate them more easily.
* Move functions generally only useful for LLVM internals to the end of
  the accessors list instead of the beginning.

llvm-svn: 35780
 2007-04-08 22:30:27 +00:00
Chris Lattner
f9506a185b Fix for CodeGen/X86/2007-04-08-InlineAsmCrash.ll and PR1314 
llvm-svn: 35779
 2007-04-08 22:23:26 +00:00
Chris Lattner
b9f8792e26 testcase for PR1314 
llvm-svn: 35778
 2007-04-08 22:22:53 +00:00
Reid Spencer
065db06580 Implement review feedback. 
llvm-svn: 35777
 2007-04-08 22:05:44 +00:00
Nick Lewycky
7f42a891cf Fix this testcase to fail if the bug were reintroduced. 
llvm-svn: 35776
 2007-04-08 21:49:13 +00:00
Owen Anderson
4b323657b9 Remove DomSet completely. This concludes work on PR1171. 
llvm-svn: 35775
 2007-04-08 21:30:05 +00:00
Jeff Cohen
922b3dc017 Track new header file. 
llvm-svn: 35774
 2007-04-08 21:19:52 +00:00
Reid Spencer
82c0c6353b Make sure temporary data is not used past its life span. 
llvm-svn: 35773
 2007-04-08 20:10:14 +00:00
Reid Spencer
b60fbb02e4 Make TempDir a PathWithStatus so we don't have to cast it to one. 
llvm-svn: 35772
 2007-04-08 20:08:01 +00:00
Reid Spencer
a7785f7098 Avoid temporary construction and potential for corrupted data access. 
llvm-svn: 35771
 2007-04-08 20:06:05 +00:00
Reid Spencer
e62f16d5c6 Implement the output inserter for PathWithStatus 
llvm-svn: 35770
 2007-04-08 20:05:10 +00:00
Reid Spencer
2d2f6992e7 Don't rely on destructed local storage. Thanks, Chris. 
llvm-svn: 35769
 2007-04-08 19:59:07 +00:00
Chris Lattner
4ed32d0891 Fix a typo that broke SimplifyLibCalls/SPrintF.ll (pr1315) 
llvm-svn: 35768
 2007-04-08 18:11:26 +00:00